CN102145333B - Double-vibration exciter synchronous phase locking method and device - Google Patents
Double-vibration exciter synchronous phase locking method and device Download PDFInfo
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- CN102145333B CN102145333B CN2010105663671A CN201010566367A CN102145333B CN 102145333 B CN102145333 B CN 102145333B CN 2010105663671 A CN2010105663671 A CN 2010105663671A CN 201010566367 A CN201010566367 A CN 201010566367A CN 102145333 B CN102145333 B CN 102145333B
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- spur gear
- vibrator
- gear
- phase locking
- lock
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Abstract
The invention discloses a double-vibration exciter synchronous phase locking method and a device, wherein the device comprises two vibration exciters running in parallel in opposite directions, 2n (n is positive integer within 10) external gearing spur gears with the speed ratio of 1:1 are arranged to constitute a transmission pair, and the first spur gear of the transmission pair is connected with the main shaft of the first vibration exciter through a first elastic coupler and the last spur gear of the transmission gear is connected with the main shaft of the second vibration exciter through a second elastic coupler; a phase locking mechanism is mounted between the first spur gear or the last spur gear and the shaft of the gear, the phase locking mechanism can adjust a relative position of the gear and the shaft in a rotating direction and locks the relative position. The device forcibly synchronizes the two vibration exciters by means of the gears, thereby eliminating the phase difference of the vibration exciters during operation, equalizing exciting force output and achieving steady-state excitation.
Description
Technical field
The present invention relates to vibrotechnique, further is centrifugal force the genlock method and the device thereof towards a direction output of instigating two vibrators to produce.
Background technology
Vibrator is widely used in building element and the compacting of structures when building.During two vibrator inverted runnings, reach only direction output of court of centrifugal force that two vibrators produce, and make the stable state exciting, need guarantee that at first two vibrators should be synchronous.Accomplish this point, normally utilize two motor self-synchronizing methods.Self-synchronizing method need satisfy the requirement of synchronism and satisfy the stability condition under the respective synchronization state; These conditions comprise: the characteristic of two motors should be identical or approaching; Motor speed; The mass distribution of eccentric mass square, body need satisfy certain requirement and vibrator installation site, the distribution of the damped coefficient of each direction of motion etc.Satisfied the motor synchronizing that these conditions just can realize two vibrators.From many with the factor of method influence, realize that difficulty is big, manufacturing cost is corresponding higher.Two vibrator motor synchronizings can reach the stable state exciting; But under given conditions, no matter as require two vibrator installation sites how to change, all requiring the exciting force outbound course is horizontal direction; And vertical direction is depended merely on motor synchronizing and just can not be realized with regard to unable output.
Summary of the invention
The technical problem that the present invention will solve is; Deficiency to the prior art existence; Propose a kind of pair of vibrator genlock method and device thereof, no matter how two vibrator installation sites are changed, the centrifugal force that vibrator produced will be in the synthetic simple harmonic quantity power that changes by sinusoidal wave rule of a certain fixed-direction; The vibration efficiency of vibrator is not fully exerted, plays energy-saving and cost-reducing effect.
One of technical scheme of the present invention is; Said pair of vibrator genlock method is: the initial phase that locks the eccentric massblock in two vibrators; Force the opposite vibrator synchronous operation of two rotation directions and make the stable state exciting, make two centrifugal force that vibrator produced in the synthetic simple harmonic quantity power that changes by sinusoidal wave rule of a certain fixed-direction.
Further, the initial phase of said eccentric massblock can be 0
0-180
0Adjustment is confirmed in the scope
Two of technical scheme of the present invention is that said pair of vibrator genlock device comprises two
Run parallel and the opposite vibrator of traffic direction; Its design feature is; The external toothing spur gear that the individual speed ratio of 2n (n be 10 with interior positive integer) is set is 1:1 is formed transmission; And first spur gear of transmission connects through the main shaft of first yielding coupling with first vibrator, and last spur gear of transmission connects through the main shaft of second yielding coupling with second vibrator; Lock mechanism mutually is housed between the axle of said first spur gear or last spur gear and this gear, and lock phase mechanism can regulate this gear and the relative position in direction of rotation between this (being the phase angle) and lock this relative position.
Below the present invention made further specify.
Said gear driving pair guarantees two vibrator antiports and synchronous, rate of doing work transmission.
Among the present invention; 0 ° of phase place of vibrator eccentric massblock is meant; On its Plane of rotation, eccentric massblock is done the time spent in no external force, will be under the gravity effect naturally vertically downward; The position when vertical line of crossing this eccentric massblock center of gravity this moment is positioned when being equal to face disc 6 is defined as 0 ° of phase place.Other phase angle is then analogized by the circumference angle related definition in the univeral mathematics.
By being contained in the individual speed ratio of 2n in the casing (n be 10 with interior positive integer) is that the transmission formed of the external toothing spur gear of 1:1 and said lock phase mechanism have formed the genlock device, and its lock phase mechanism is used to adjust the phase difference of two vibrator eccentric massblocks, can be 0
oOr 180
oSelect arbitrarily.The eccentric massblock initial phase of two vibrators is 180
oThe time, the no matter vibrator installation that lies low is still pasted wall (or structural member) and is vertically installed, and the exciting force outbound course is level to, the unable output of vertical direction, and adjusting two vibrator eccentric massblock initial phases is 0
oThe time, have only vertical direction that exciting force output is arranged, and the unable output of horizontal direction.Simultaneously,, force the run-in synchronism of two excitings, eliminate operating phase difference, accomplish even weighing apparatus exciting fully, do not produce component through this device.After the locking initial phase, vibrator shuts down, and the eccentric massblock of two vibrators is because inertia, and it can be parked in any position, but initial phase still remains unchanged, and when restarting, no longer need adjust the phase place of eccentric massblock.
Know by above; The present invention is two vibrator genlock methods and device thereof, no matter how two vibrator installation sites are changed, the centrifugal force that vibrator produced will be in the synthetic simple harmonic quantity power that changes by sinusoidal wave rule of a certain fixed-direction; The vibration efficiency of vibrator is not fully exerted; Can shorten the compacting time more than 30%, improve production efficiency greatly, also play energy-saving and cost-reducing effect.
Description of drawings
Fig. 1 is the plan structure sketch map behind the loam cake of removing of an embodiment of the present invention;
Fig. 2 be among Fig. 1 D-D to sectional structure;
Fig. 3 is installed in the wall side for A-A cross section among Fig. 1 and device, and two vibrator eccentric massblocks all are in 0
0Phase place, phase difference are 0 phase place sketch map;
Fig. 4 is installed in the wall side for A-A cross section among Fig. 1 and device, and two vibrator eccentric massblocks are in 180 respectively
0With 0
0Phase place, phase difference are 180
0The phase place sketch map;
Fig. 5 is that A among Fig. 1-A cross section and device level are installed, and two vibrator eccentric massblocks all are in 0
0Phase place, phase difference are 0 phase place sketch map;
Fig. 6 is that A among Fig. 1-A cross section and device level are installed, and two vibrator eccentric massblocks are in 0 respectively
0With 180
0Phase place, phase difference are 180
0The phase place sketch map;
Fig. 7 is the front view of resilient sleeve 8 among Fig. 2;
Fig. 8 be among Fig. 7 B-B to sectional structure.
In the drawings:
1,2-vibrator, 3-genlock device casing, 4-base,
5-first spur gear, 6-shaft coupling, 7-last spur gear,
8-resilient sleeve, 9-gland, 10-axle,
11-eccentric massblock, 12-eccentric massblock, 13-cement pedestal,
m
0Be the eccentric massblock quality, ω is an angular frequency.
The specific embodiment
As depicted in figs. 1 and 2, of the present invention pair of vibrator genlock device comprises two
Run parallel and the opposite vibrator 1,2 of traffic direction; Its design feature is; The external toothing spur gear that 2 speed ratios are set is 1:1 is formed transmission; And first spur gear 5 of transmission connects through the main shaft of first yielding coupling 6 with first vibrator 1, and last of transmission (second) spur gear 7 connects through the main shaft of second yielding coupling with second vibrator 2; Between the axle 10 of said first spur gear 5 or second spur gear and this gear lock mechanism mutually is housed, lock phase mechanism can regulate this gear and the relative position in direction of rotation between this (being the phase angle) and lock this relative position.
Further; Two vibrators 1,2 are in parallel installed with; And together be installed on the base plate 4 with the genlock device; Genlock device profile is a rectangle box-shaped, uses speed ratio to be connected as second spur gear (being last gear 7) of 1:1 external toothing first spur gear 5 with a band inner cone in the casing.The external gear pump number needs confirms that according to the spacing of two vibrator sizes and vibrator two-parallel axis its quantity must be even number, and minimum is two.
One end of genlock device is equipped with a lock phase as shown in Figure 2 mechanism.This lock phase mechanism by second spur gear (being last gear 7) of band internal taper hole with the band outer cone and in the circumference resilient sleeve 8 that evenly to have two to four width be the trough of 1mm, and gland 9 and axle 10 compositions.Second spur gear is contained on the axle 10, and resilient sleeve 8 is contained in the internal taper hole of second spur gear, and gland 9 is connected with second spur gear end face through 4 screws of circumference uniform distribution.
Second spur gear inner cone and resilient sleeve 8 outer cone taperings are 1:50; Gland 9 is connected with the dedicated gear end face through 4 screws of circumference uniform distribution; Even fastening 4 screws, gland 9 evenly compress resilient sleeve, make it and second spur gear inner cone tensioner that closely cooperates; And resilient sleeve 8 firmly holds axle 10 tightly and forms dual fail-safe, thereby the initial phase of locking is immobilized.For accomplishing that two conical surfaces better contact and let bullet cover more closely embrace axle 10, at resilient sleeve 8 baseplanes and second spur gear inner plane, and gland 9 and second spur gear end face need keep 1-2mm gap.
This lock set phase mechanism as required can be 0
oOr 180
oBetween regulate arbitrarily.This genlock device not only can lock initial phase, guarantees only fixed-direction output of court of centrifugal force that vibrator produced; And eliminated the operating phase difference of vibrator; Reach two vibrator synchronous operations, ensure that the exciting force of vibrator output is balanced consistent, and make to stablize exciting.
Two vibrators 1,2 are formed by adorning 4 eccentric massblocks in the alternating current generator of centre and two ends protective cover, the protective cover.A fixed mass piece and a movable mass piece are housed on each end of motor projecting shaft, adjust the angle of two masses, just can adjust the size of exciting force, it is 180 that two eccentric massblocks keep angle
oThe time, exciting force is 0, and overlapping when two eccentric massblocks, angle is 0 o'clock, and exciting force is maximum.Vibrator is selected the prior art structure for use.
Shown in Figure 3 for the genlock device is to paste walls (or structural member) vertically to install, require exciting force to be output as level to, and the unable output of vertical direction.As can be seen from the figure, parallel (the genlock device is contained in the vibrator opposite side, and figure is last not to be shown) two machine shafts that are installed on the base plate 4 of two vibrators 1,2 are parallel.
As can be seen from Figure 3, the eccentric massblock 11,12 in two vibrators is because own wt, and the rule of pressing freely falling body all will be towards vertical direction, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 will run to dotted line position shown in the figure, and at this moment, two eccentric massblocks 11,12 all are horizontal, but in the opposite direction, the centrifugal force that two masses are produced just in time offsets, so the centrifugal force Px=0 of horizontal direction; The direction that is up to the standard has exciting force output, and two interior eccentric massblock 11,12 initial phases of vibrator should be 180
o, as shown in Figure 4, eccentric massblock 11 is owing to own wt, and it can fall all the time, and for this reason, needing increases by a lock set phase mechanism, and eccentric massblock is locked position as shown in Figure 4 all the time, remains 180 with eccentric massblock 12
oPhase place, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 will move to dotted line position shown in the figure, this moment the two eccentric massblocks horizontal level that exists together, direction is identical, the centrifugal force Px=2m that they produced
oω
2R is maximum, and the unable output of vertical direction, Y is to centrifugal force Py=0.
Fig. 5, Fig. 6 are that two vibrators vertical ground that lies low is installed, and the installation site has changed, but the exciting force direction still requires to be level.
When Fig. 5 can find out two eccentric massblocks, 11,12 non-locking phase places, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 will move to dotted line position shown in the figure, their horizontal levels that exists together, but direction is relative, this moment horizontal direction centrifugal force Px=0, Fig. 6 for utilize lock phase mechanism in advance locking two eccentric massblocks 11,12 initial phases be 180
o, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 operation dotted line position shown in the figure, at this moment, two eccentric massblocks 11,12 horizontal level that exists together, but direction is consistent, so horizontal direction centrifugal (exciting) power Px=2m.ω
2R is maximum, and vertical direction centrifugal force Py=0.
In like manner, two interior eccentric massblock 11,12 locking initial phases of vibrator are 0
oThe time, change regardless of the vibrator installation site, at this moment, the exciting force outbound course is for vertically to, Py=2m
oω
2R is maximum, and level to centrifugal (exciting) power Px=0.Mix this and overlap the compacting that genlock device is applied in cement products, like the section of jurisdiction of subway, on railway sleeper and other cement article; Reduce the internal friction of mixed material, increase the flowability of logistics, the die cavity lex primaria is good; Packing is high, pore-free, and intensity is big; No component produces, and shortens the compacting time more than 30%, has improved productivity ratio greatly.
Simultaneously, utilize the genlock device to be applied in aspects such as structural member exciting and scientific experimentation, with the desirable simple harmonic quantity power that obtains no clutter by sinusoidal wave variation.
m
0For compiling heart piece quality, ω is an angular frequency.
Claims (2)
1. two vibrator genlock device; It comprises that two run parallel and the opposite vibrator of traffic direction; It is characterized in that; The external toothing spur gear that 2n speed ratio is set is 1:1 is formed transmission, and first spur gear of transmission connects through the main shaft of first yielding coupling with first vibrator, and last spur gear of transmission connects through the main shaft of second yielding coupling with second vibrator; Lock mechanism mutually is housed between the axle of said first spur gear or last spur gear and this gear, lock phase mechanism can regulate this gear and between this at the relative position of direction of rotation and lock this relative position, wherein n is 10 with interior positive integer; It is characterized in that; Said lock phase mechanism is evenly had the resilient sleeve (8) of two to four troughs with the band outer cone and at circumference by the spur gear of band internal taper hole; And gland (9), axle (10) are formed; Spur gear is contained on the axle (10), and resilient sleeve (8) is contained in the internal taper hole of spur gear, and gland (9) is connected with the spur gear end face through screw.
2. according to said pair of vibrator genlock of claim 1 device, it is characterized in that the internal taper hole inner cone of spur gear and resilient sleeve (8) outer cone tapering are 1:50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105663671A CN102145333B (en) | 2010-12-01 | 2010-12-01 | Double-vibration exciter synchronous phase locking method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105663671A CN102145333B (en) | 2010-12-01 | 2010-12-01 | Double-vibration exciter synchronous phase locking method and device |
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| Publication Number | Publication Date |
|---|---|
| CN102145333A CN102145333A (en) | 2011-08-10 |
| CN102145333B true CN102145333B (en) | 2012-11-07 |
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|---|---|---|---|
| CN2010105663671A Expired - Fee Related CN102145333B (en) | 2010-12-01 | 2010-12-01 | Double-vibration exciter synchronous phase locking method and device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108519204B (en) * | 2018-04-11 | 2019-11-26 | 中国科学院工程热物理研究所 | A kind of adjustable blade vibration excitor of three-dimensional vibrating mode and its design method |
| CN109470442B (en) * | 2018-12-28 | 2023-11-21 | 中国地震局工程力学研究所 | Vibration locking device and vibration table |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206169U (en) * | 1987-04-07 | 1988-03-30 | 鞍山钢铁公司 | Phase-angle-adjustable gear coupling |
| JP2865934B2 (en) * | 1992-02-28 | 1999-03-08 | 株式会社建調神戸 | Vibration generator |
| AUPQ931200A0 (en) * | 2000-08-09 | 2000-08-31 | Ludowici Mineral Processing Equipment Pty Ltd | Exciter apparatus |
| JP3738318B2 (en) * | 2000-12-13 | 2006-01-25 | 調和工業株式会社 | Exciting force control device for eccentric weight exciter and method for controlling the same |
| CN1240909C (en) * | 2001-09-07 | 2006-02-08 | 孙祖望 | Combined vibrationg roller with adjustable stepless amplitudes of vibration |
| CN201105263Y (en) * | 2007-09-28 | 2008-08-27 | 彭京武 | Biaxial vibrating device |
| CN201318402Y (en) * | 2008-12-16 | 2009-09-30 | 崔凯 | Wheel-type coupler with conical lock sleeve |
| CN201889284U (en) * | 2010-12-01 | 2011-07-06 | 黎凡七 | Synchronous phase-locking device for double vibration exciters |
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